Home / 12,052,181.70-18,078,419.61-3,532,690.44

Finding the Fourth Proportional to 12,052,181.70, 18,078,419.61 and 3,532,690.44

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Solution

The fourth proportional to 12,052,181.70, 18,078,419.61 and 3,532,690.44 is: 5,299,078.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,052,181.70 : 18,078,419.61 = 3,532,690.44 : x
  2. Step 2: Convert to fraction form
    12,052,181.70/18,078,419.61 = 3,532,690.44/x
  3. Step 3: Cross multiply
    12,052,181.70x = 18,078,419.61 × 3,532,690.44
  4. Step 4: Simplify right side
    12,052,181.70x = 63,865,460,126,555.52
  5. Step 5: Solve for x
    x = 63,865,460,126,555.52/12,052,181.70
  6. Step 6: Final answer
    x = 5,299,078.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.